
<script setup lang="ts">
// 获取屏幕边界到安全区域距离
import { getGoodsByIdAPI } from '@/pages/service/goods'
import { onLoad } from '@dcloudio/uni-app'
import type { GoodsResult } from '@/types/goods'
import { computed, ref } from 'vue'
import ServicePanel from './components/ServicePanel.vue' // 导入弹出层服务窗口
import AddressPanel from './components/AddressPanel.vue' // 导入弹出层地址窗口
import PageSkeletonVue from '@/pages/goods/components/PageSkeleton.vue'
import type {
  SkuPopupEvent,
  SkuPopupInstanceType,
  SkuPopupLocaldata,
} from '@/components/vk-data-goods-sku-popup/vk-data-goods-sku-popup'
import { postMemberCartAPI } from '@/pages/service/cart'

const { safeAreaInsets } = uni.getSystemInfoSync()
//////////////////////////////////////////////////////////////////////////////////////接收category分类组件传递的id数据
//接收category分类组件传递的id数据
const query = defineProps<{
  id: string
}>()
// console.log("接收的id："+query)
////////////////////////////////////////////////////////////////////////////////////////////////获取商品详情数据
//定义变量接收商品详情数据，便于渲染页面
const goods = ref<GoodsResult>()

//调用api获取商品详情数据
const getGoodsByIdData = async () => {
  const res = await getGoodsByIdAPI(query.id)
  goods.value = res.result
  // SKU组件所需数据格式
  localdata.value = {
    _id: res.result.id,
    name: res.result.name,
    goods_thumb: res.result.mainPictures[0],
    spec_list: res.result.specs.map((v) => ({ name: v.name, list: v.values })),
    sku_list: res.result.skus.map((v) => ({
      _id: v.id,
      goods_id: res.result.id,
      goods_name: res.result.name,
      image: v.picture,
      price: v.price * 100, // 注意：需要乘以 100
      stock: v.inventory,
      sku_name_arr: v.specs.map((vv) => vv.valueName),
    })),
  }
}

////////////////////////////////////////////////////////////////////////////////////////////轮播图交互
//定义变量存贮轮播图下标
const currentIndex = ref(0)
//轮播图变化事件,UniHelper.SwiperOnChange 表示uni-app为事件声明类型的文件
const onChange:UniHelper.SwiperOnChange = (ev) => {
  //当前滑块的下标，理解为轮播图的图片所在下标
  // console.log(ev.detail.current)
  currentIndex.value = ev.detail!.current
}

//轮播图图片放大预览
const onTapImages = (url:string) => {
  //大图预览
  uni.previewImage({
    //当前图片的链接
    current:url,
    urls:goods.value!.mainPictures //图片集合
  })
}

//////////////////////////////////////////////////////////////////////////////////////弹出层窗口
//定义变量控制uni-ui的弹出层关闭打开
//组件挂载完毕时会把实例复制给popup,可以调用实例中的方法如open()\close()
const popup = ref()

//////////弹出层条件渲染
//<'address' | 'service'> 表示 是地址 或是 服务
const popupName = ref<'address' | 'service'>()

//定义函数改变这个函数
//name:typeof popupName.value 表示获取popupName的类型
const openPopup = (name:typeof popupName.value) => {
  //修改弹出层名称
  popupName.value = name
  //打开弹出层
  popup.value?.open()
}

///////////////////////////////////////////////////////////////////////////////////////////骨架屏
//是否数据加载完毕，false 开启 ， true - 关闭
const isFinish = ref(false)

//页面加载调用,异步
onLoad(async ()=>{
  //是否所有组件数据加载完成
  await Promise.all([
    getGoodsByIdData()
  ])
  //数据加载完成修改为true关闭骨架屏
  isFinish.value = true
})
//==================================sku弹窗组件======================================================
const isShowSku = ref(false)

//定义响应式数据.商品信息
const localdata = ref({} as SkuPopupLocaldata)

//===========================sku弹窗交互======================================================
//按钮模式 1 都显示 2 只显示购物车 3 只显示立即购买
//定义枚举
enum skuMode{
  Both=1,
  Cart=2,
  Buy=3,
}
//定义变量控制按钮模式
const mode = ref<skuMode>(skuMode.Both)
//定义函数，目的
const openSkuPopup = (val:skuMode) => {
  //显示sku弹窗
  isShowSku.value = true
  //修改按钮模式
  mode.value = val
}
//=========================sku组件实例======================================
const skuPopupRef = ref<SkuPopupInstanceType>()
// 计算被选中的值
const selectArrText = computed(() => {
  //返回 使用sku组件实例获取选中的值
  //trim() 去除空格
  return skuPopupRef.value?.selectArr?.join(' ').trim() || '请选择商品规格'
})
//==================================加入购物车事件=============================================
const onAddCart = async (ev:SkuPopupEvent) => {
  //第一个参数：skuId 第二个参数： 购买的数量
  await postMemberCartAPI({skuId:ev._id,count:ev.buy_num})
  uni.showToast({title:'添加成功'})
  isShowSku.value = false
}
</script>

<template>
  <!--sku弹窗组件 add-cart-background-color="#FFA868" 设置购物车按钮颜色  buy-now-background-color="#27BA9B" 设置立即购买按钮颜色 @add-cart="onAddCart" 表示加入购物车的事件-->
  <vk-data-goods-sku-popup
    v-model="isShowSku"
    :localdata="localdata"
    :mode="mode" add-cart-background-color="#FFA868"
    buy-now-background-color="#27BA9B"
    ref="skuPopupRef"
    :actived-style="{
      color: '#27BA9B',
      borderColor: '#27BA9B',
      backgroundColor: '#E9F8F5',
    }"
    @add-cart="onAddCart"
  >
  </vk-data-goods-sku-popup>
<!--  v-if="isFinish = false" 表示开启骨架屏-->
  <scroll-view scroll-y class="viewport" v-if="isFinish">
    <!-- 基本信息 -->
    <view class="goods">
      <!-- 商品主图 -->
      <view class="preview">
<!--        监听轮播图变化-->
        <swiper @change="onChange" circular>
          <swiper-item v-for="item in goods?.mainPictures" :key="item">
            <image
              @tap="onTapImages(item)"
              mode="aspectFill"
              :src="item"
            />
          </swiper-item>
        </swiper>
        <view class="indicator">
          <text class="current">{{currentIndex + 1}}</text>
          <text class="split">/</text>
          <text class="total">{{goods?.mainPictures.length}}</text>
        </view>
      </view>

      <!-- 商品简介 -->
      <view class="meta">
        <view class="price">
          <text class="symbol">¥</text>
          <text class="number">{{goods?.price}}</text>
        </view>
        <view class="name ellipsis">{{goods?.name}} </view>
        <view class="desc"> {{goods?.desc}} </view>
      </view>

      <!-- 操作面板 -->
      <view class="action">
        <view class="item arrow" @tap="openSkuPopup(skuMode.Both)">
          <text class="label">选择</text>
          <text class="text ellipsis"> {{ selectArrText }} </text>
        </view>
        <!--        @tap="popup.open()" -- 打开弹出层   @tap="openPopup('address') 调用函数-->
        <view class="item arrow" @tap="openPopup('address')">
          <text class="label">送至</text>
          <text class="text ellipsis"> 请选择收获地址 </text>
        </view>
<!--        @tap="popup.open()" -- 打开弹出层   @tap="openPopup('service') 调用函数-->
        <view class="item arrow" @tap="openPopup('service')">
          <text class="label">服务</text>
          <text class="text ellipsis"> 无忧退 快速退款 免费包邮 </text>
        </view>
      </view>
    </view>

    <!-- 商品详情 -->
    <view class="detail panel">
      <view class="title">
        <text>详情</text>
      </view>
      <view class="content">
        <view class="properties">
          <!-- 属性详情 -->
          <view class="item" v-for="item in goods?.details.properties" :key="item.name">
            <text class="label">{{item.name}}</text>
            <text class="value">{{item.value}}</text>
          </view>
        </view>
        <!-- 图片详情 -->
        <image
          v-for="item in goods?.details.pictures"
          :key="item"
          mode="widthFix"
          :src="item"
        ></image>
      </view>
    </view>

    <!-- 同类推荐 -->
    <view class="similar panel">
      <view class="title">
        <text>同类推荐</text>
      </view>
      <view class="content">
        <navigator
          v-for="item in goods?.similarProducts"
          :key="item"
          class="goods"
          hover-class="none"
          :url="`/pages/goods/goods?id=${item.id}`"
        >
          <image
            class="image"
            mode="aspectFill"
            :src="item.picture"
          ></image>
          <view class="name ellipsis">{{ item.name }}</view>
          <view class="price">
            <text class="symbol">¥</text>
            <text class="number">{{item.price}}</text>
          </view>
        </navigator>
      </view>
    </view>
  </scroll-view>
  <!--  骨架屏的结构 isFinish=true 关闭-->
  <PageSkeletonVue v-else/>

  <!-- 用户操作 -->
  <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
    <view class="icons">
      <button class="icons-button"><text class="icon-heart"></text>收藏</button>
      <button class="icons-button" open-type="contact">
        <text class="icon-handset"></text>客服
      </button>
      <navigator class="icons-button" url="/pages/cart/cart" open-type="switchTab">
        <text class="icon-cart"></text>购物车
      </navigator>
    </view>
    <view class="buttons">
      <view @tap="openSkuPopup(skuMode.Cart)" class="addcart"> 加入购物车 </view>
      <view @tap="openSkuPopup(skuMode.Buy)" class="buynow"> 立即购买 </view>
    </view>
  </view>

<!--  uni-ui的弹出层窗口 ， type="bottom -- 弹出方式-->
  <uni-popup ref="popup" type="bottom" background-color="#fff" >
<!--    展示服务弹窗和地址弹窗 @close="popup?.close()" 表示调用子组件的传递的过来的方法-->
    <AddressPanel v-if="popupName === 'address'" @close="popup?.close()"/>
    <ServicePanel v-if="popupName === 'service'" @close="popup?.close()"/>
  </uni-popup>

</template>

<style lang="scss">
page {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.viewport {
  background-color: #f4f4f4;
}

.panel {
  margin-top: 20rpx;
  background-color: #fff;
  .title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90rpx;
    line-height: 1;
    padding: 30rpx 60rpx 30rpx 6rpx;
    position: relative;
    text {
      padding-left: 10rpx;
      font-size: 28rpx;
      color: #333;
      font-weight: 600;
      border-left: 4rpx solid #27ba9b;
    }
    navigator {
      font-size: 24rpx;
      color: #666;
    }
  }
}

.arrow {
  &::after {
    position: absolute;
    top: 50%;
    right: 30rpx;
    content: '\e6c2';
    color: #ccc;
    font-family: 'erabbit' !important;
    font-size: 32rpx;
    transform: translateY(-50%);
  }
}

/* 商品信息 */
.goods {
  background-color: #fff;
  .preview {
    height: 750rpx;
    position: relative;
    .image {
      width: 750rpx;
      height: 750rpx;
    }
    .indicator {
      height: 40rpx;
      padding: 0 24rpx;
      line-height: 40rpx;
      border-radius: 30rpx;
      color: #fff;
      font-family: Arial, Helvetica, sans-serif;
      background-color: rgba(0, 0, 0, 0.3);
      position: absolute;
      bottom: 30rpx;
      right: 30rpx;
      .current {
        font-size: 26rpx;
      }
      .split {
        font-size: 24rpx;
        margin: 0 1rpx 0 2rpx;
      }
      .total {
        font-size: 24rpx;
      }
    }
  }
  .meta {
    position: relative;
    border-bottom: 1rpx solid #eaeaea;
    .price {
      height: 130rpx;
      padding: 25rpx 30rpx 0;
      color: #fff;
      font-size: 34rpx;
      box-sizing: border-box;
      background-color: #35c8a9;
    }
    .number {
      font-size: 56rpx;
    }
    .brand {
      width: 160rpx;
      height: 80rpx;
      overflow: hidden;
      position: absolute;
      top: 26rpx;
      right: 30rpx;
    }
    .name {
      max-height: 88rpx;
      line-height: 1.4;
      margin: 20rpx;
      font-size: 32rpx;
      color: #333;
    }
    .desc {
      line-height: 1;
      padding: 0 20rpx 30rpx;
      font-size: 24rpx;
      color: #cf4444;
    }
  }
  .action {
    padding-left: 20rpx;
    .item {
      height: 90rpx;
      padding-right: 60rpx;
      border-bottom: 1rpx solid #eaeaea;
      font-size: 26rpx;
      color: #333;
      position: relative;
      display: flex;
      align-items: center;
      &:last-child {
        border-bottom: 0 none;
      }
    }
    .label {
      width: 60rpx;
      color: #898b94;
      margin: 0 16rpx 0 10rpx;
    }
    .text {
      flex: 1;
      -webkit-line-clamp: 1;
    }
  }
}

/* 商品详情 */
.detail {
  padding-left: 20rpx;
  .content {
    margin-left: -20rpx;
    .image {
      width: 100%;
    }
  }
  .properties {
    padding: 0 20rpx;
    margin-bottom: 30rpx;
    .item {
      display: flex;
      line-height: 2;
      padding: 10rpx;
      font-size: 26rpx;
      color: #333;
      border-bottom: 1rpx dashed #ccc;
    }
    .label {
      width: 200rpx;
    }
    .value {
      flex: 1;
    }
  }
}

/* 同类推荐 */
.similar {
  .content {
    padding: 0 20rpx 200rpx;
    background-color: #f4f4f4;
    display: flex;
    flex-wrap: wrap;
    .goods {
      width: 340rpx;
      padding: 24rpx 20rpx 20rpx;
      margin: 20rpx 7rpx;
      border-radius: 10rpx;
      background-color: #fff;
    }
    .image {
      width: 300rpx;
      height: 260rpx;
    }
    .name {
      height: 80rpx;
      margin: 10rpx 0;
      font-size: 26rpx;
      color: #262626;
    }
    .price {
      line-height: 1;
      font-size: 20rpx;
      color: #cf4444;
    }
    .number {
      font-size: 26rpx;
      margin-left: 2rpx;
    }
  }
  navigator {
    &:nth-child(even) {
      margin-right: 0;
    }
  }
}

/* 底部工具栏 */
.toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx var(--window-bottom);
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;
  .buttons {
    display: flex;
    & > view {
      width: 220rpx;
      text-align: center;
      line-height: 72rpx;
      font-size: 26rpx;
      color: #fff;
      border-radius: 72rpx;
    }
    .addcart {
      background-color: #ffa868;
    }
    .buynow,
    .payment {
      background-color: #27ba9b;
      margin-left: 20rpx;
    }
  }
  .icons {
    padding-right: 10rpx;
    display: flex;
    align-items: center;
    flex: 1;
    .icons-button {
      flex: 1;
      text-align: center;
      line-height: 1.4;
      padding: 0;
      margin: 0;
      border-radius: 0;
      font-size: 20rpx;
      color: #333;
      background-color: #fff;
      &::after {
        border: none;
      }
    }
    text {
      display: block;
      font-size: 34rpx;
    }
  }
}
</style>
